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-   -   Revo Hybrid diff cases (https://www.rc-monster.com/forum/showthread.php?t=3547)

jnev 03.22.2007 11:55 PM

Those thigns are incredable. They also make me want to make plans for an e-revo.

BrianG 03.23.2007 12:01 AM

Now I know what I'm getting after the CRT.5 project is done! Wow, those diffs are nice. I haven't broken a diff yet, but I imagine it'll be any day now...

jhautz 03.23.2007 12:23 AM

A little update. I started building them. Ones done. These things go together very nice. Took two .25mm shims behind the pinon to get a perfect mesh.

Very nice workmanship IMO. :004:

GREAT JOB MIKE!

Heres a couple more pics.

http://i66.photobucket.com/albums/h2...z/CIMG1733.jpg
http://i66.photobucket.com/albums/h2...z/CIMG1731.jpg
http://i66.photobucket.com/albums/h2...z/CIMG1730.jpg

BrianG 03.23.2007 12:45 AM

Man, those look sweet! Nice pics.

I imagine these will change your overall reduction ratio compared to the stock diffs right?

BP-Revo 03.23.2007 12:46 AM

Yea...those look great...I wonder when they will be put onto the RCM store.

jnev 03.23.2007 01:15 AM

Like I said before, they look just awesome. Just one question, where did you get those .5mm shims? They are for the Hot Bodies diffs right? I ask because I will need the shims for my buggy to fit the Hot Bodies diff.

Thanks

jhautz 03.23.2007 01:39 AM

Quote:

Originally Posted by BrianG
Man, those look sweet! Nice pics.

I imagine these will change your overall reduction ratio compared to the stock diffs right?

Yea, they will change the gear ratio. These are the truggy gears in this set. Mike is making them with either the Buggy 13/43 or Truggy 10/43 gears in them. I got the truggy gears cuz I just got done installing a HB center diff like Dafni's old setup and I wanted to lower the overall ratio since I dont have the transmision gear reduction any more. This will let me run a better motor pinion range.



Quote:

Originally Posted by ***RC***
Like I said before, they look just awesome. Just one question, where did you get those .5mm shims? They are for the Hot Bodies diffs right? I ask because I will need the shims for my buggy to fit the Hot Bodies diff.

Thanks

They are actually the shims I had for the maxx and revo diffs. The output shafts for the HB pinion is turned down to the same diameter as the standard revo pinion shaft. That allows you to use the stock revo drive shafts if you want. The shims are the 6x9x.5mm shims from Traxxas. So if you have shims around from your old revo or maxx diffs your all set.

BTW 2nd diff only needed one .5mm shim to mesh perfectly. Both are built now. I'm gonna break them in with a drill tomorrow night and then recheck the mesh before I install them.

EDIT: CORRECTION The shims I used are .25mm thick. So first diff took two .25mm shims and the 2nd diff took one .25mm shim. These are the ones i used. http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXDEA8&P=7 FUnky how the package is labled. Looks like it should be .5mm shims, but they actually measure .25mm.

jhautz 03.23.2007 01:55 AM

2 built diffs. :018: :043:

http://i66.photobucket.com/albums/h2...z/CIMG1737.jpg

jhautz 03.23.2007 02:50 AM

Quote:

Originally Posted by BP-Revo
Jhautz, did the kit/cases come with pinion bearings, or do you need to buy them seperately?

No pinion bearings in the kit. They use the same ones as the stock revo diffs so you can steal from the old diff if you want. I had some new bearings sitting here already that would have been used in the stock revo diffs the next time I rebuilt them so I didnt even really think about it.

But yea, If you order the kit, make sure you have four 6x12x4mm bearings on hand, or like I said, you can just steal them out of the old diffs.

Serum 03.23.2007 02:52 AM

Mine are in the mail!

Can't wait to brag with some pics here.. LOL

jhautz 03.23.2007 02:58 AM

Quote:

Originally Posted by Serum
Mine are in the mail!

Can't wait to brag with some pics here.. LOL

I know... :dft001: Couldn't resist. They are just so pretty.:005:

Dafni 03.23.2007 03:19 AM

Nice, J! Now you have a real truggy driveline :) Congrats!


Check the backlash of the pinion after like 10-15 runs, you might want to re-shim them when the gears are "broken-in". Just a heads-up from a tester :)

jhautz 03.23.2007 03:31 AM

Quote:

Originally Posted by Dafni
Nice, J! Now you have a real truggy driveline :) Congrats!


Check the backlash of the pinion after like 10-15 runs, you might want to re-shim them when the gears are "broken-in". Just a heads-up from a tester :)

Will do. Thanks Daf!

BTW: Nice work on proving these things out. They look like they are going to be bulletproof.

CrazyPhantom 03.23.2007 08:02 PM

Thank god you got some better pics than I got. I was wondering how easily you got the two case halves together?

jhautz 03.23.2007 09:09 PM

Getting the 2 case halves together was a little tight. I just had to make sure the flang on the outdrive bearings was lined up correctly and then it just took a little sqeeze and it snapped right together. It actually made it feel nice and solid to me.

Serum 03.24.2007 03:02 AM

I'll let you guys know how mine fall together. I should be having them within the next two weeks.

renny 03.24.2007 04:18 AM

The shim set that I use is from Team Losi.
#LOSA6356 Metric Shim Set, 5 & 6mm.
I payed $4.00 for a pack of them and there is about 6 of each in each pack.
I trashed two rear diffs in a month and my dealer sujested that I shim the diffs.
I already have the R&R ring and pinion gears,Integy alum. diff. cases and housings but its my spider gears that were stripping.
Now there is no slop and a very close mesh and I also switched to 10K oil in the rear and 30K in the front instead of 30K in both front & rear.
TONES OF HOOKUP on all surfaces.

CrazyPhantom 03.24.2007 11:09 AM

jhautz Have you gotten these diffs installed in the bulkheads yet?

jhautz 03.24.2007 05:07 PM

Not installed yet. I was hoping to get to this today, but other things got in the way. I'm gonna try and get to it tomorrow, but if I can't, it might not get done untill next weekend. (Traveling for work all week)

rchippie 03.25.2007 09:14 PM

What set of diffs is recomended for a revo 10/43 truggy ratio or 13/43 buggy ratio ?.

jhautz 03.25.2007 09:30 PM

OK got em set up and a test run in today before my reciever quit on me.

The install went fine. Only issue I had was the outdrive shafts were a litlle long and wouldn't quite just drop in from the top using the slots in the bulkhead like the stock diffs. I wound up having to split the bulks to get the diffs in. No big deal, took an extra 15 minutes per diff to install. Other than that PERFECT. Man its really packed in there though. They use every bit of real estate inside that bulk.

I talked to Mike today regarding the outdrive shaft length and I think hes going to look at a change for future production to ease the installation.

Ran em today and they ran great. Felt great being able to just jump on the throttle at low speeds and not worry about babying the diffs.

I was only able to get about a half hour of run time on them so far. My reciever kept quitting on me and then it just quit and wouldnt start again. But based on what Ive seen so far... these things look like a real winner. TOP NOTCH MIKE.:cool:

crazyjr 03.25.2007 09:43 PM

cool thanks for letting us know, i might have to get some after i get a slipperential

jhautz 03.25.2007 10:00 PM

Quote:

Originally Posted by rchippie
What set of diffs is recomended for a revo 10/43 truggy ratio or 13/43 buggy ratio ?.

Depends on what transmision you are running. I'd guess the buggy 13/43 diffs would be better for slipperential and emaxx tranny vehicles and the truggy would be better for center diff setups. But do some math and calculate the gearing ranges you want and then you can decide.

rchippie 03.25.2007 10:44 PM

Quote:

Originally Posted by jhautz
Depends on what transmision you are running. I'd guess the buggy 13/43 diffs would be better for slipperential and emaxx tranny vehicles and the truggy would be better for center diff setups. But do some math and calculate the gearing ranges you want and then you can decide.


I'm asking for my friend. He will be using them in a nitro revo, with the revo tranny..

jhautz 03.25.2007 10:48 PM

Then Id say the buggy diffs would be better. Staying closer to the stock gearing that way. The truggy diffs would lower the overall gear ratio quite a bit. Youd need to go up in pinion teeth quite a bit to compensate.

rchippie 03.25.2007 10:56 PM

Quote:

Originally Posted by jhautz
Then Id say the buggy diffs would be better. Staying closer to the stock gearing that way. The truggy diffs would lower the overall gear ratio quite a bit. Youd need to go up in pinion teeth quite a bit to compensate.


Than you sir.

Serum 03.26.2007 02:23 AM

Yes, 43/13 is what you want for nitro.

jhautz 03.27.2007 02:01 AM

They are in the RCM store now.

http://www.rc-monster.com/proddetail...rod=rcmflmrvdf

jollyjumper 03.27.2007 09:25 AM

to answer bprevo's question:
a ofna torsen diff uses a output shaft with a hex end, where the worm gear goes over, so it wont fit.

GorillaMaxx360 03.27.2007 10:12 AM

sweet they are in the store. Too bad i dont have a revo or i would buy them immediatly. If i had to guess they will only be in stock for a while and then go out for a while like the slipperential. So get them while there hot!

BP-Revo 03.29.2007 08:38 PM

They were out of stock in like a two days!

coolhandcountry 04.04.2007 10:05 AM

Cool. I like them. I wonder if mike could sell a 1/8 diff with the stock type
shafts sticking out for a maxx. I like the looks of the revo diffs.

skellyo 04.04.2007 10:14 AM

Quote:

Originally Posted by coolhandcountry
Cool. I like them. I wonder if mike could sell a 1/8 diff with the stock type
shafts sticking out for a maxx. I like the looks of the revo diffs.

I thought the output shafts Mike includes with it do this:
"The custom modified parts will drop into and out of the revo bulkheads just like the stock diffs, and allow use of your current stock OR aftermaket drive shafts!"

Notice the output shafts on the right hand side of the pic:
http://www.rc-monster.com/prodimages/SINGLE_KIT_web.JPG

jhautz 04.04.2007 11:36 AM

Yep. That what those shafts do. You take the cups off of the diffs and replace them with the small shafts. He ships the parts so you can use it either way. With the cups or with the shafts for the stock sliders.

Bobbyray 04.14.2007 04:41 PM

Hey Mike
Got the parts and all work well. The Diffs are super, weather has been bad here so only can run it on the street, everything else is wet. Diffs work great went together with ease no problems. Will post on the REVO site tonite with pics of the new build on the E-REVO with all new parts. Thanks RRT

SmokinAces 04.17.2007 09:20 AM

Any idea when the 1/8 Revo diffs will be re-stocked?

rc4x4nut 04.17.2007 11:58 AM

Does anyone know if the MBX5T diffs fit? Its 46/10 instead of 43/10.

RC-Monster Mike 04.18.2007 12:24 AM

I should have some more Revo diffs tomorrow. I don't think the Mugen diffs will work - they are smaller than most 1/8 diffs.

flyers6667 04.19.2007 06:02 AM

Hi there.
Mike We need 3 pairs for our 3 revo in France.
Is it available today (Thurday) ? We have a French race on saturday 28th and sunday 29th. I should be great to have them on our Gorilla-Revo ;)
Best regards
Patrice

dardevil 04.19.2007 06:03 AM

mike you have news for soon, we wait to place order??:004: :004:


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